111100202222 has 4 divisors (see below), whose sum is σ = 166650303336. Its totient is φ = 55550101110.

The previous prime is 111100202207. The next prime is 111100202249. The reversal of 111100202222 is 222202001111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222202001111 = 53 ⋅4192490587.

It is a junction number, because it is equal to n+sod(n) for n = 111100202197 and 111100202206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775050554 + ... + 27775050557.

It is an arithmetic number, because the mean of its divisors is an integer number (41662575834).

Almost surely, 2^111100202222 is an apocalyptic number.

111100202222 is a deficient number, since it is larger than the sum of its proper divisors (55550101114).

111100202222 is an equidigital number, since it uses as much as digits as its factorization.

111100202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55550101113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111100202222 its reverse (222202001111), we get a palindrome (333302203333).

The spelling of 111100202222 in words is "one hundred eleven billion, one hundred million, two hundred two thousand, two hundred twenty-two".